Kim Kardashian and Kanye West are getting married, and they keep talking about it.

The couple is commandeering the media storm following their Oct. 21 engagement. Now the reality star and the Grammy-winning rapper are opening up about the proposal, their wedding plans and one another.

West proposed at AT&T Park in San Francisco last week by ordering up a 50-piece orchestra to play his and Lana Del Rey's music. He sealed the deal with a "flawless" 15-carat cushion-cut engagement ring that he designed himself, and now he's revealing a few details about their upcoming wedding.

The rambling rapper added that Kardashian would take his last name — a departure from her previous marriage to basketball player Kris Humphries — which Kardashian confirmed.

"I will," Kardashian told E! News at her 33rd birthday celebration at Tao in Las Vegas last weekend. "Kim Kardashian West, no hyphen. Make it [Kardashian] the middle."

The reality star, who is mom to their nearly 5-month-old daughter North West, already had her fairy-tale wedding with Humphries and is readily giving up the reins of her next nuptials to her new fiance, a self-proclaimed creative genius.

"As far as wedding stuff, we haven't even talked about anything — it's been such a whirlwind," she said. "We need like a moment to relax and figure it all out. I'm going to leave this up to him. Whatever he wants."

As for the proposal, the "Keeping Up With the Kardashians" star said she was totally surprised.

"My eyes were closed and then I got up and I still — the whole time I didn't think it was a proposal," she said of the San Francisco surprise. "I thought it was dinner on the baseball field and we had a nice orchestra. I still didn't get it ... when he got on his knee, I kind of figured out what was going on."

On "On Air With Ryan Seacrest" Tuesday, the rapper gushed about his future bride's celebrity, the proposal and even more wedding plans.

"There's no way Kim Kardashian shouldn't be on the cover of Vogue. She's like the most intriguing woman right now. She's got Barbara Walters calling her like everyday," he said. "And collectively, we're the most influential with clothing. No one is looking at what [Barack Obama] is wearing. Michelle Obama cannot Instagram a [swimsuit] pic like what my girl Instagrammed the other day."

"The ring was 4 hours old from when I put it on her finger," he said. "I had to pick it up in L.A. I was working on it for a while. I was working on it with four different jewelers. I just put it in my bag."

West, who asked Kardashian's mom Kris Jenner over the phone for her daughter's hand in marriage just before proposing, even admitted that he was nervous prior to popping the question.

"I was talking to her cousin. I was like, 'I don't know, what do you think she's going to say?' I'm not arrogant about love and feelings at all. I'm confident in the work I put so much work into, but this is someone else's feelings. You never know what someone else may feel at the time," he said. "I just knew I wanted her to be my girl for a long time. I remember I saw a picture of her and Paris Hilton, and I remember telling my boy, 'Have you seen that girl Kim Kar-dijon?' "

However, he still kept the proposal plans a secret from the rest of the ubiquitous Kardashian clan.

"Everybody that came in just thought it was a surprise party .… As soon [Kim] heard the [Lana Del Ray] song playing, she just figured I was going to have Lana sing and we were going to have dinner. Because at a certain point she just knows I'm going to do something turnt up," he said. "So she was expecting something awesome. The guy who organized it was talking about this romantic lighting and I was like, 'Enough already! We're at a baseball field. It has to be fully lit!' That was one of the things that was making me really mad. I was like, 'Let me do it like how I would do it.' "

West, who sometimes dabbles in fashion, plans to make the event a haute affair.

"I want to pick who is going to be in charge," he said. "I'd like to get the people who do the Chanel shows."

"When you say stuff like, 'I'm a creative genius', everyone looks at you like you're crazy. So I'm like, 'OK, I'm about to turn up. I'm going to turn up on this engagement. I'm going to turn up on this show. I'm going to turn up on this merch we just did with this pop-up store on Melrose.' I just had to turn up completely because I've been trying to create outside of the box of being a musician," he said. "And I've talked to people who would have the power to allow me to go to the next level and they just look at you like you're crazy or they just try to put you in like a music box, and at what point do you see something and say, 'Yo, he really might be like Walt Disney. He really might be that creative and not just a rapper.' "

Though West has shied away from his fiancee's reality show and showcasing their daughter in the media, he did say he was willing to get a big payout to air their nuptials, according to MTV.

"I would take as much as possible," he said. "What's official for everybody in this room and everybody on this globe right now is them bills. If you can help out with those bills, because you know me and Kim are in the exploitation business. We get paid to exploit ourselves. I'ma give my daughter the opportunity to choose when she wants to be exploited. That's the reason we didn't take any money for any baby pictures."

Kardashian echoed that sentiment on that Oct. 27 episode of "Keeping Up With the Kardashians," which chronicled the birth of their baby girl.

"From the start Kanye was like, 'I'm not comfortable with selling her photos like in a magazine reveal to having her on the show,'" she said. "See, it's hard, because I love seeing [sister Kourtney's kids] Mason and Penelope on the show. It's so cute, like the little things they say. But I do feel like it's just a different dynamic with Kanye.

"I signed on to do this," she said. "But it doesn't mean that Kanye and my child have signed on too, so I'm fine with keeping them more private. But I'm still an open book."

The more they talk, the more they sound like the same person ...

And one more Kimye tidbit for the road:

The wealthy pair is reportedly all set to sign a prenup to keep their assets separate and protect her estimated $40-million fortune and his $90 million, according to TMZ; however, the site reports that Kardashian may actually be worth more than her beau.

Kim Kardashian's engagement ring from Kris Humphries was reportedly sold at auction Tuesday for a price more than Christie's auction house expected but far less than the trinket's supposed $2-million valuation at the time it was given to the reality-TV star.

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